2.5" Fossil Fish (Cimolichthys) Jaw Section - Kansas

This is a 2.5" fossil fish (Cimolichthys) jaw section from the Niobrara Formation, Gove County, Kansas. This interesting, specimen highlights the tooth replacement process of the gnarly fish.

Cimolichthys is an extinct genus of late Cretaceous fish that is related to modern Lancefish and Lizardfish.‭ ‬Their bodies were covered with large scutes that provided protection against predators.